103423403421 has 40 divisors (see below), whose sum is σ = 176168200824. Its totient is φ = 59901327360.

The previous prime is 103423403411. The next prime is 103423403431. The reversal of 103423403421 is 124304324301.

103423403421 is a `hidden beast` number, since 1 + 0 + 3 + 4 + 234 + 0 + 3 + 421 = 666.

It is an interprime number because it is at equal distance from previous prime (103423403411) and next prime (103423403431).

It can be written as a sum of positive squares in 4 ways, for example, as 16863879321 + 86559524100 = 129861^2 + 294210^2 .

It is not a de Polignac number, because 103423403421 - 2¹⁴ = 103423387037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103423403411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2870860 + ... + 2906661.

Almost surely, 2^103423403421 is an apocalyptic number.

It is an amenable number.

103423403421 is a deficient number, since it is larger than the sum of its proper divisors (72744797403).

103423403421 is a wasteful number, since it uses less digits than its factorization.

103423403421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777563 (or 5777554 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 103423403421 its reverse (124304324301), we get a palindrome (227727727722).

The spelling of 103423403421 in words is "one hundred three billion, four hundred twenty-three million, four hundred three thousand, four hundred twenty-one".